Compression in 2026: zstd Changed the Game
zstd is as fast as gzip with near-xz compression ratios. Here's why you should drop bzip2 forever and how to use zstd in 2026.
Tag: linux
All the articles with the tag "linux".
Linux Suspend and Hibernate: Teaching Your Machine to Take a Nap Without Dying
Linux suspend vs hibernate explained: sleep states, swap setup, initramfs resume hook, wake-on-LAN, lid close behavior, and fixing common hibernate failures on modern Linux systems.
Sysctl Tuning: The Linux Kernel Knobs That Actually Matter
Learn which sysctl parameters actually improve Linux server performance. Network tuning, memory management, and a ready-to-use sysctl.conf for Docker hosts.
VLAN Basics for Home Labs: Segment Your Network Before It Segments You
Learn VLAN basics for your home lab: 802.1Q tagging, trunk vs access ports, managed switch setup, and pfSense VLAN configuration to isolate IoT, guests, and your NAS.
Port Knocking: Simple Obscurity for SSH Access
Hide your SSH port from scanners with port knocking. It's not a replacement for security, but it's a valid defense-in-depth tactic.
Linux Audio in 2026: PipeWire Replaced Everything
PipeWire replaced PulseAudio and ALSA routing on every major distro. Here's the new audio stack, CLI tools, and how to fix the annoying stuff.
Time Is a Lie and Chrony Is Here to Fix It: NTP for Home Labs
Set up Chrony for NTP time sync in your home lab. Covers chrony.conf, chronyc tracking, stratum levels, LAN NTP server setup, and why correct time matters more than you think.
SSH Keys in 2026: Ed25519 Is the Standard
RSA SSH keys are aging out. Why Ed25519 is the 2026 default, how to generate one in 30 seconds, and how to audit and rotate your legacy keys safely.
Why Your VPN Isn't Routing What You Think
You enabled the VPN but half your traffic still bypasses it. Here's why and how routing actually works.
Kernel Live Patching: Security Updates Without the 3am Reboot
Apply Linux kernel security patches without rebooting using kpatch and Canonical Livepatch. Keep servers secure and online simultaneously — here's the practical setup guide.
IPv6 on Your Home Lab: You Should Care (Here's Why)
IPv6 isn't just for the future—it's broken on your network right now. Here's why you should care and how to actually set it up.
Tmpfs vs Ramfs: When Your Disk Is Too Slow and Your RAM Is Just Sitting There
Tmpfs vs ramfs explained: mount RAM-backed filesystems on Linux for blazing fast temp storage. Covers fstab, Docker tmpfs mounts, CI/CD use cases, and the key differences.